perf_counter: Start documenting HAVE_PERF_COUNTERS requirements
authorMike Frysinger <vapier@gentoo.org>
Fri, 12 Jun 2009 17:17:43 +0000 (13:17 -0400)
committerIngo Molnar <mingo@elte.hu>
Fri, 12 Jun 2009 17:37:30 +0000 (19:37 +0200)
Help out arch porters who want to support perf counters by listing some
basic requirements.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1244827063-24046-1-git-send-email-vapier@gentoo.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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